This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Sumitomo Seika Chemicals Co., Ltd., Titan Company Limited, Yamashita Works, Co., Ltd.. Active years: 2010-2014.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hamada. Retrieved from https://idiyas.com/inventor/kenji-hamada-85qmib7l
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 2 (Patent Applications = 1)
% Patents Active = 100.0
EPO Patents = 1
Average Co-Inventor Count = 4.4
ph-index = 1
Forward Citations = 1(Granted Patents)
Company Filing History:
1 out of 302 
Sumitomo Seika Chemicals Co., Ltd.
1 out of 3 Titan Company Limited
1 out of 1 Yamashita Works, Co., Ltd.
where one patent can have more than one assignee
Years Active: 2010-2014
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2 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hamada. Retrieved from https://idiyas.com/inventor/kenji-hamada-85qmib7l
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]